Individual variation in timing of migration: causes and reproductive consequences in greater snow geese (Anser caerulescens atlanticus) Joël BêtyJean-François GirouxGilles Gauthier Original Article 03 September 2004 Pages: 1 - 8
A genetic component to size in queens of the ant, Formica truncorum Katja BargumJacobus J. BoomsmaLiselotte Sundström Original Article 27 August 2004 Pages: 9 - 16
Apparent sibling rivalry in the freshwater fingernail clam Sphaerium striatinum Mark A. BeekeyRonald H. Karlson Original Article 24 August 2004 Pages: 17 - 22
Does the presence of non-breeders enhance the fitness of breeders? An experimental analysis in the clown anemonefish Amphiprion percula Peter Buston Original Article 18 August 2004 Pages: 23 - 31
Genetic mating system and timing of extra-pair fertilizations in the Kentish plover Clemens KüpperJános KisDonald Blomqvist Original Article 14 August 2004 Pages: 32 - 39
Ontogenetic shifts in fusion–rejection thresholds in a colonial marine hydrozoan, Hydractinia symbiolongicarpus Alex C. C. WilsonRichard K. Grosberg Original Article 14 August 2004 Pages: 40 - 49
Patterns of participation and free riding in territorial conflicts among ringtailed lemurs (Lemur catta) Charles L. NunnRobert O. Deaner Original Article 10 August 2004 Pages: 50 - 61
Female rock shrimp Rhynchocinetes typus mate in rapid succession up a male dominance hierarchy Martin ThielCristián Correa Original Article 10 August 2004 Pages: 62 - 68
Reproductive effort in relation to maternal social rank in reindeer (Rangifer tarandus) Øystein HolandRobert B. WeladjiKnut H. Røed Original Article 30 July 2004 Pages: 69 - 76
Sex in the dark: determinants and consequences of mixed male mating tactics in Microcebus murinus, a small solitary nocturnal primate Manfred EberlePeter M. Kappeler Original Article 31 July 2004 Pages: 77 - 90
Selected polyandry: female choice and inter-sexual conflict in a small nocturnal solitary primate (Microcebus murinus) Manfred EberlePeter M. Kappeler Original Article 03 August 2004 Pages: 91 - 100